From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 89327C432C0 for ; Tue, 19 Nov 2019 03:16:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 60C36219F6 for ; Tue, 19 Nov 2019 03:16:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574133393; bh=6w+hmrvX3cmERk62aB4MJXEcf8Z+Q7jruLYEJi9Lous=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=jdzfmtVV8y43/q6IZvTUBE6FSCwHn3ievHrocH8kVWjtgQ3dDZE6U+TFtf2CviZnZ eTK2VijqPFR9ihhPVO4X5zwiKE5nglHTxUtbO5L8agkHcCKeXs8Q6w5UolixMoBNB3 wrIamYh3EqBKQ1KPHxcMHBhQrPuygzpgLC/tLQow= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727432AbfKSDQa (ORCPT ); Mon, 18 Nov 2019 22:16:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:51512 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727298AbfKSDQa (ORCPT ); Mon, 18 Nov 2019 22:16:30 -0500 Received: from sol.localdomain (c-24-5-143-220.hsd1.ca.comcast.net [24.5.143.220]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2C886219F6; Tue, 19 Nov 2019 03:16:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574133389; bh=6w+hmrvX3cmERk62aB4MJXEcf8Z+Q7jruLYEJi9Lous=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=sev8G4IL/HOaHin4JdR9dY1l+RywQcWd5hoLPRtpdQ0LX70NemWq9tQTgC7dKfQu3 IcaSNHGoCXlHAkcU/8vDxW5D+cMzznrffKxCgTTRE1Yr+PAVc7rH6TouqEEIFzdjKO qjgQGXw7kZtLxdoo2R432rBU0U0tg5Cc8Y5onUN8= Date: Mon, 18 Nov 2019 19:16:27 -0800 From: Eric Biggers To: syzbot Cc: adilger.kernel@dilger.ca, jack@suse.cz, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, riteshh@linux.ibm.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu Subject: Re: general protection fault in ext4_writepages Message-ID: <20191119031627.GJ3147@sol.localdomain> References: <20191111182417.GB5165@mit.edu> <00000000000079c18b059717166e@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00000000000079c18b059717166e@google.com> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Mon, Nov 11, 2019 at 11:25:00AM -0800, syzbot wrote: > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger > crash: > > Reported-and-tested-by: > syzbot+9567fda428fba259deba@syzkaller.appspotmail.com > > Tested on: > > commit: 4d06bfb9 ext4: Add error handling for io_end_vec struct al.. > git tree: > https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git test > kernel config: https://syzkaller.appspot.com/x/.config?x=2cc209e226c8fbbd > dashboard link: https://syzkaller.appspot.com/bug?extid=9567fda428fba259deba > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > Note: testing is done by a robot and is best-effort only. > Marking this fixed for syzbot. #syz fix: ext4: Add error handling for io_end_vec struct allocation